def xiyiji(something,xidiji):  # 买来洗衣机,只是定义了内部的功能，没有调用
    print("打水")
    print("洗" + something)
    print("加" + xidiji)
    print("甩干")
# something,xidiji: 形式参数

# "衣服","洗衣液": 实际参数
xiyiji("衣服","洗衣液") # 使用,去执行xiyiji内部的功能
# something = "衣服" xidiji="洗衣液"
xiyiji("被罩","洗衣粉") # 使用
# something = "被罩" xidiji="洗衣粉"
xiyiji("床单","五粮液") # 使用
# something = "床单" xidiji="五粮液"